dS/dH - The rate of change in local sea level at the chosen city due to ice thickness change at this point.

dS/dH · ΔH - The change in local sea level at the chosen city due to ice thickness change at this point.

Controls

Primary Controls

City

Display

Time Series

Basin

Downloads

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Info

Introduction

To start the demo, click the LET'S GO! button. What our team from NASA/JPL at CalTech shows here are results from work published in Science Advances, "Should coastal planners have concern over where the land ice is melting?". Once you click the LET'S GO! button, choose a city. The results will show the overall contribution of icy areas to sea level change in the selected city.

The colorbar indicates the following for the selected city:

red: strong contribution to sea level rise

blue: strong contribution to sea level decrease

green: no contribution

Also displayed in the lower right are specific trends for the selected city (sea level from ice, from specific basins, and total). If you want to know more, click the More Info... button below.

How to Run the Simulation

In the Controls section, choose a city on which the results are to be rendered, as well as which result is to be displayed:

Local Sea Level Contribution from glaciers/ice sheets (default)

Gradient Fingerprint

Ice Thickness Change from GRACE

The results will then be rendered automatically. For further experiments, you can chose to extrapolate GRACE ice thickness changes into the future (Time Series). You can also compute the contribution of a specific basin to Local Sea Level in your city.